Achilles tendon properties

All tissues need time to accommodate to loading stresses. Adaptation takes time, the achilles is no different than any other tissues that need adaptive time. But, people think that can drop to a low heel-toe drop shoe and pay no price. Time... some people need more adaptive time....gradually work into it. 
- here, increased achilles cross sectional area and other changes


Achilles tendon properties in minimalist and traditionally shod runners.